<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>
        <a>数据统计</a>
      </el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 为ECharts准备一个具备大小（宽高）的Dom -->
      <div id="main" style="width: 700px;height:400px;"></div>
    </el-card>
    <br>
    <el-card>
      <div>
        <h3>这是mock数据</h3>
        <ul>
          <li v-for="(item, index) in mockData" :key="item.date">
            {{index+1}}、 {{item.title}} --{{item.author_name}} {{' '}} {{item.date}}
          </li>
        </ul>
      </div>
    </el-card>
  </div>
</template>
<script>
// 导入echarts
import echarts from 'echarts'
import _ from 'lodash'
import request from '@/libs/mock.request'
export default {
  data() {
    return {
      mockData: [],
      options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
    }
  },
  created() {
    this.getData()
  },
  // dom渲染完毕
  async mounted() {
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('main'))

    const { data: res } = await this.$http.get('reports/type/1')
    if (res.meta.status !== 200) {
      return this.$message.error('获取折线图数据失败！')
    }
    this.ordersList = res.data.goods
    // 指定图表的配置项和数据
    const result = _.merge(res.data, this.options)
    // 使用刚指定的配置项和数据显示图表。
    myChart.setOption(result)
  },
  methods: {
    getData() {
      // 假装要使用http_mock发送请求（#手动滑稽#）（mock自动拦截请求并生成数据）
      request.http_mock('http://route.showapi.com/60-27', 'api_id=63114&api_sign=3847b0').then(response => {
        this.mockData = response._data
      })
    }
  }
}
</script>
